SoundCraft GB4 manual Important Safety Warnings

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IMPORTANT SAFETY WARNINGS

THIS UNIT MUST BE EARTHED

Under no circumstances should the mains earth be disconnected from the mains

lead.

The wires in the mains lead are coloured in accordance with the following code:

Earth:

Green and Yellow (Green/Yellow - US)

Neutral:

Blue (White -

US)

Live:

Brown (Black

- US)

As the colours of the wires in the mains lead may not correspond with the coloured markings identifying the terminals in your plug, proceed as follows:

The wire which is coloured Green and Yellow must be connected to the terminal in the plug which is marked with the letter E or by the earth symbol.

The wire which is coloured Blue must be connected to the terminal in the plug which is marked with the letter N. The wire which is coloured Brown must be connected to the terminal in the plug which is marked with the letter L.

Ensure that these colour codings are followed carefully in the event of the plug being changed.

To avoid the risk of fire, replace the mains fuse only with the correct value fuse,

as marked on the rear panel.

The internal power supply unit contains no user serviceable parts. Refer all servicing to a qualified service engineer, through the appropriate Soundcraft dealer.

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GB4 User Guide

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Contents GB4 User Guide GB4 User GuideGB4 User Guide Contents GB4 User Guide Introduction Key Features Warranty Equipment means the equipment supplied with this manualGB4 User Guide Installation Safety Symbol GuideImportant Safety Warnings GB4 User Guide Power Cable Mains InstallationGeneral Precautions General Wiring ProceduresAudio Wiring Initial Wiring ConsiderationsShielding Points to Remember Recommended headphone impedance is 200-600 ohmsTroubleshooting Setting Up & TroubleshootingInitial set-up Optional External Power Supply Meters not showing any signalAudio Connector Pinouts Dimensions Block Diagrams Mono Input Stereo Input Talkback and Stereo Returns Group/Aux/Matrix Outputs Master Section Using The Console MID Rear Connectors Insert 1/4 TRS JackSTE1 Pin Ground Signal Hot GB4 User Guide Groups Monitoring & PFL C OutputsREC/ALT Outputs Master MutesStereo Returns Rear Connector PanelTalkback PSU Monitor LEDsJack Typical Specifications GB4 User Guide Mark-up Sheets MIC Gain STE1 STE2 GB4 User Guide